Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7125787 | Method of manufacturing insulated gate semiconductor device | Nobuyuki Sekikawa, Masaaki Momen, Koichi Hirata | 2006-10-24 |
| 6693341 | Semiconductor device | Nobuyuki Sekikawa, Masaaki Anezaki, Masaaki Momen | 2004-02-17 |
| 6690070 | Insulated gate semiconductor device and its manufacturing method | Nobuyuki Sekikawa, Masaaki Momen, Koichi Hirata | 2004-02-10 |
| 6670236 | Semiconductor device having capacitance element and method of producing the same | Nobuyuki Sekikawa, Koichi Hirata, Noriyasu Katagiri | 2003-12-30 |
| 6489661 | Method of manufacturing semiconductor device and semiconductor device | Nobuyuki Sekikawa, Masaaki Anezaki, Masaaki Momen | 2002-12-03 |
| 6307251 | Semiconductor device having capacitance element and method of producing the same | Nobuyuki Sekikawa, Koichi Hirata, Noriyasu Katagiri | 2001-10-23 |
| 6211046 | Method of manufacturing a semiconductor device | Nobuyuki Sekikawa, Masaaki Anezaki, Masaaki Momen | 2001-04-03 |